CN211124519U

CN211124519U - High school physics learning demonstration instrument

Info

Publication number: CN211124519U
Application number: CN201921213863.1U
Authority: CN
Inventors: 赵雯怡
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-07-30
Filing date: 2019-07-30
Publication date: 2020-07-28
Anticipated expiration: 2029-07-30

Abstract

The utility model discloses a high school physics study demonstration appearance, the on-line screen storage device comprises a base, the upper surface of base rotates through first rotation piece and is connected with the first pivot of vertical setting, and the upper end of first pivot is fixed with the rectangle frame, the lateral wall of rectangle frame rotates through the second rotation piece and is connected with the demonstration board, the lateral wall that the second rotation piece was kept away from to the demonstration board transversely is equipped with the bull stick, and the bull stick runs through the lateral wall setting of rectangle frame, the lateral wall of rectangle frame is fixed with the installation piece, and the installation piece is located the top setting of bull stick, the mounting groove that the opening is decurrent has been seted up to the lateral wall of installation piece, and transversely is equipped with the movable plate in the mounting groove, the vertical pull rod that is equipped with of upper end lateral wall of movable plate. The utility model discloses can overturn to the demonstration board, the tow sides of the demonstration board of being convenient for can both be towards the student, both make full use of the demonstration board, convenient teaching again.

Description

High school physics learning demonstration instrument

Technical Field

The utility model relates to a teaching equipment technical field especially relates to a high school physics study demonstration appearance.

Background

Teaching is a human-specific talent training activity consisting of teacher's teaching and student's learning. Through the activities, teachers purposefully, programmatically and organically guide students to learn and master cultural scientific knowledge and skills, and promote the improvement of the qualities of the students, so that the students become people required by the society.

In the teaching of high school physics, in order to improve student's comprehension, deepen the impression, need teach with the help of some auxiliary assembly, for example, the demonstration board can be used for posting some pictures or drawing the sketch map, so that can demonstrate the process of object motion for the student, but current demonstration board structure is fairly simple, all directly put on the support frame, still need mr to hold with the hand and turn over the face during the upset, the valuable classroom time of having wasted, and also bring the burden for mr's teaching work, for this reason, we propose a high school physics study demonstration appearance and solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the prior demonstration board structure is simpler among the prior art, all directly put on the support frame, still need the mr to hold the face of turning over with the hand during upset, wasted valuable classroom time, but also brought the burden problem for mr's teaching work, and the high school physics study demonstration appearance that provides.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a high school physics learning demonstration instrument comprises a base, wherein the upper surface of the base is rotatably connected with a first rotating shaft which is vertically arranged through a first rotating piece, a rectangular frame is fixed at the upper end of the first rotating shaft, the side wall of the rectangular frame is rotatably connected with a demonstration board through a second rotating piece, a rotating rod is transversely arranged on the side wall of the demonstration board far away from the second rotating piece, the rotating rod penetrates through the side wall of the rectangular frame, the side wall of the rectangular frame is fixedly provided with an installation block, the installation block is arranged above the rotating rod, the side wall of the installation block is provided with an installation groove with a downward opening, a movable plate is transversely arranged in the mounting groove, a pull rod is vertically arranged on the side wall of the upper end of the movable plate, the pull rod penetrates through the side wall of the upper end of the mounting groove, a clamping rod is vertically arranged on the side wall of the lower end of the movable plate, and the opening that the kelly runs through the mounting groove sets up, the lateral wall of bull stick encircles and is equipped with a plurality of draw-in grooves that match with the kelly.

Preferably, the lateral walls of the two sides of the mounting groove are both provided with sliding grooves, the lateral walls of the two sides of the moving plate are both transversely provided with connecting rods, and the connecting rods are in sliding connection with the sliding grooves through sliding blocks.

Preferably, the lower extreme lateral wall of base is vertical to be equipped with a plurality of supports, and the lower extreme lateral wall of support rotates through the second pivot and is connected with the wheel.

Preferably, one end of the rotating rod is fixedly connected with a crank.

Preferably, one end of the pull rod, which is positioned outside the mounting groove, is wrapped by a sponge sleeve.

Preferably, the rectangular frame is fixedly connected with the upper end of the first rotating shaft in a welding mode.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses: 1. the demonstration board is driven to rotate by rotating the rotating rod, so that the demonstration board can be conveniently turned, the space of the demonstration board is fully utilized, students can be conveniently taught, the trouble of holding the demonstration board by hands for turning is avoided, the physical strength and time of teachers are saved, and the valuable classroom time is fully utilized;

2. the rotary rod is fixed through the clamping of the clamping rod and the clamping groove, after the demonstration board rotates to a needed angle, the demonstration board can be fixed, the demonstration board is prevented from rotating randomly and inconvenient teaching, the clamping of the clamping rod and the clamping groove can be controlled through the pull rod, the clamping rod is separated from the clamping groove when the pull rod is pulled upwards, after the pull rod is loosened, the clamping rod freely falls into the clamping groove under the action of self gravity, and the operation is simple and convenient.

Drawings

Fig. 1 is a schematic structural view of a high school physics learning demonstration instrument provided by the utility model;

fig. 2 is a schematic structural diagram at a in fig. 1.

In the figure: the device comprises a base 1, a first rotating member 2, a first rotating shaft 3, a rectangular frame 4, a crank 5, a second rotating member 6, a demonstration board 7, a rotating rod 8, a mounting block 9, a mounting groove 10, a moving board 11, a pull rod 12, a clamping rod 13, a clamping groove 14, a sliding groove 15, a connecting rod 16, a sliding block 17, a support 18, a second rotating shaft 19 and wheels 20.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

First embodiment

Referring to fig. 1-2, a high school physics learning demonstration instrument comprises a base 1, wherein a plurality of supports 18 are vertically arranged on the side wall of the lower end of the base 1, the side wall of the lower end of each support 18 is rotatably connected with a wheel 20 through a second rotating shaft 19, the wheels 20 can facilitate the movement of the base 1 and facilitate the carrying of a demonstration board 7, the upper surface of the base 1 is rotatably connected with a first rotating shaft 3 which is vertically arranged through a first rotating member 2, a rectangular frame 4 is fixed at the upper end of the first rotating shaft 3, the rectangular frame 4 is fixedly connected with the upper end of the first rotating shaft 3 in a welding mode, the welding mode is firmer, and the rectangular frame 4 can be prevented from falling off the first rotating shaft 3;

the side wall of the rectangular frame 4 is rotatably connected with a demonstration plate 7 through a second rotating piece 6, the side wall of the demonstration plate 7, which is far away from the second rotating piece 6, is transversely provided with a rotating rod 8, one end of the rotating rod 8 is also fixedly connected with a crank 5, the crank 5 facilitates the rotation of the rotating rod 8, the rotating rod 8 penetrates through the side wall of the rectangular frame 4, the side wall of the rectangular frame 4 is fixedly provided with an installation block 9, the installation block 9 is arranged above the rotating rod 8, the side wall of the installation block 9 is provided with an installation groove 10 with a downward opening, the side walls on two sides of the installation groove 10 are respectively provided with a sliding groove 15, the side walls on two sides of the movable plate 11 are respectively transversely provided with a connecting rod 16, the connecting rods 16 are slidably connected with the sliding grooves 15 through sliding blocks 17, the movable plate 11 can be conveniently moved up and down, the movable plate can be prevented from being inclined left and right in the moving process, the installation, can protect the hand not scotch, and pull rod 12 runs through the upper end lateral wall setting of mounting groove 10, and the lower extreme lateral wall of movable plate 11 is vertical to be equipped with kelly 13, and kelly 13 runs through the opening setting of mounting groove 10, and the lateral wall of bull stick 8 encircles and is equipped with a plurality of draw-in grooves 14 that match with kelly 13.

Second embodiment

In order to prevent the reflection of light, influence the student and watch demonstration board 7, demonstration board 7's position can be certain contained angle with ground and place, upwards pulling pull rod 12 earlier during the operation, card pole 13 separates and indentation mounting groove 10 with draw-in groove 14 of 8 lateral walls of bull stick, bull stick 8 can drive demonstration board 7 rotatory, after demonstration board 7 rotatory angle that needs, stop rotating bull stick 8, then loosen pull rod 12, card pole 13 is under the effect of self gravity, freely fall in draw-in groove 14, bull stick 8 is fixed this moment, thereby demonstration board 7 is fixed.

The utility model discloses during the operation, earlier upwards stimulate pull rod 12, pull rod 12 drives kelly 13 rebound, kelly 13 separates and indentation mounting groove 10 with draw-in groove 14 of 8 lateral walls of bull stick, it can drive demonstration board 7 rotatory to rotate bull stick 8 this moment, after demonstration board 7 rotates the angle that needs, stall bull stick 8, then loosen pull rod 12, kelly 13 is under the effect of self gravity, freely fall into draw-in groove 14 in, bull stick 8 is fixed this moment, thereby demonstration board 7 is fixed, demonstration board 7 can both be seen to the student in the classroom for the convenience, through rotatory rectangle frame 4, rectangle frame 4 can drive demonstration board 7 rotatory, so that demonstration board 7 can be towards the student of different positions, wheel 20 can make things convenient for base 1 to remove, conveniently remove demonstration board 7, the trouble of transport has been saved.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The high school physics learning demonstration instrument comprises a base (1) and is characterized in that the upper surface of the base (1) is rotatably connected with a vertically arranged first rotating shaft (3) through a first rotating piece (2), a rectangular frame (4) is fixed at the upper end of the first rotating shaft (3), the side wall of the rectangular frame (4) is rotatably connected with a demonstration board (7) through a second rotating piece (6), a rotating rod (8) is transversely arranged on the side wall, far away from the second rotating piece (6), of the demonstration board (7), the rotating rod (8) penetrates through the side wall of the rectangular frame (4), a mounting block (9) is fixed on the side wall of the rectangular frame (4), the mounting block (9) is arranged above the rotating rod (8), a mounting groove (10) with a downward opening is formed in the side wall of the mounting block (9), and a movable plate (11) is transversely arranged in the mounting groove (10), the vertical pull rod (12) that is equipped with of upper end lateral wall of movable plate (11), and pull rod (12) run through the upper end lateral wall setting of mounting groove (10), the vertical kelly (13) that is equipped with of lower extreme lateral wall of movable plate (11), and kelly (13) run through the opening setting of mounting groove (10), the lateral wall of bull stick (8) is around being equipped with draw-in groove (14) that a plurality of and kelly (13) match.

2. The high school physics learning demonstration instrument according to claim 1, wherein the side walls of both sides of the mounting groove (10) are provided with sliding grooves (15), the side walls of both sides of the moving plate (11) are provided with connecting rods (16) transversely, and the connecting rods (16) are connected with the sliding grooves (15) in a sliding manner through sliding blocks (17).

3. The high school physics learning demonstration instrument according to claim 1, characterized in that the lower end side wall of the base (1) is vertically provided with a plurality of brackets (18), and the lower end side wall of the bracket (18) is rotatably connected with wheels (20) through a second rotating shaft (19).

4. The high school physics learning demonstration instrument according to claim 1, characterized in that one end of said rotating rod (8) is also fixedly connected with a crank (5).

5. The high school physics learning demonstration instrument according to claim 1, characterized in that one end of the pull rod (12) located outside the mounting groove (10) is wrapped with a sponge sleeve.

6. The high school physics learning demonstration instrument according to claim 1, wherein the rectangular frame (4) is fixedly connected with the upper end of the first rotating shaft (3) by welding.